As a director, I get to have a much broader creative expression than as an actress.

The fact that he didn't get credit for a while is more the story of social injustice. But his own spirit wasn't driven by that, and wasn't dependent upon that. He just wished he had the cash to go to medical school.

Just the actual physical ability to hold four instruments simultaneously and do some of the things that Vivien was able to do is mind blowing to any surgeon. He never went to medical school and he became one of the great teachers of medicine himself, people are just amazed.

On the other hand, there are only so many people who really knew how she was exactly, like what did her accent sound like, and the fact that she developed profound deafness when she was first running the Harriet Lane.

What is more important is finding the soul of the character, and making sure it fits well into this story. And that it be dramatic and interesting and captivating, because these people weren't entertainers, you know.

A film is a director's vision... there is, however, much input an actor or actress can have.